Yimas in Papua New Guinea

The Yimas have only been reported in Papua New Guinea
Population
Main Language
Largest Religion
Christian
Evangelical
Progress
Progress Gauge

Introduction / History

The Yimas are an indigenous people group living along the Sepik River region of Papua New Guinea, an area defined by waterways, wetlands, and seasonal flooding. For generations, the river has shaped Yimas movement, subsistence patterns, and social connections. Their communities are typically established near the riverbanks, where access to water and fertile land supports daily life.

The Yimas speak the Yimas language, which has long been used to transmit clan histories, ritual knowledge, and everyday communication. Traditionally, Yimas culture emphasized clan identity, ancestral lineage, and a close relationship with the natural and spiritual worlds. Christian mission efforts reached the Yimas in the past century and brought extensive cultural and religious change, reshaping community life and public belief.


What Are Their Lives Like?

Yimas daily life is closely tied to the river environment. Fishing is essential, complemented by gardening in nearby plots where families grow staple crops adapted to wet conditions. Canoes are an important form of transportation, connecting villages and supporting trade and social interaction.

Family and clan ties remain strong. Extended families often live close together, sharing labor and responsibility for children and elders. Community events—such as feasts, church gatherings, and life?cycle celebrations—form the heart of social life. Singing and communal storytelling are common forms of recreation and reinforce shared identity.


What Are Their Beliefs?

The Yimas identify entirely as Christian, and churches play a central role in public and community life. Worship services, prayer, and Christian teaching are widely accepted, and Christian identity is deeply woven into social expectations and moral language. The name of Jesus Christ is well known, and the Bible is respected as a sacred book.

At the same time, there is an ongoing tension between professed Christian faith and older spiritual assumptions. Traditional beliefs about spirits connected to ancestors, the land, and the river have not disappeared entirely. In times of sickness, danger, or misfortune, some Yimas still fear spiritual retaliation or seek explanations rooted in the spirit world. For many, trust in Christ exists alongside lingering reliance on unseen powers, raising questions about where ultimate faith truly rests.


What Are Their Needs?

The Yimas face significant physical challenges related to their environment and isolation. Access to reliable healthcare is limited, and river travel can make emergency treatment difficult. Waterborne illness, malaria, and preventable diseases remain serious concerns.

Educational opportunities are uneven, particularly beyond the primary level. Economic options are limited, and dependence on subsistence activities makes communities vulnerable to environmental changes. Clean water systems, sanitation improvements, and basic infrastructure would greatly strengthen health and stability.


Prayer Items

Thank God that the Yimas people openly identify with Christianity and that the name of Christ is honored among them.
Pray that Yimas believers will place their full trust in Jesus Christ alone and be freed from fear of the spirit world.
Ask the Lord to deepen biblical understanding and genuine discipleship within Yimas churches.
Pray that mature Yimas Christians will be raised up to serve and witness among Asian peoples who need the gospel.


Scripture Prayers for the Yimas in Papua New Guinea.


References

https://www.ethnologue.com/language/yms
https://www.sil.org/countries/papua-new-guinea


Profile Source:   Joshua Project  

People Name General Yimas
People Name in Country Yimas
Alternate Names
Population this Country 600
Population all Countries 600
Total Countries 1
Indigenous Yes
Progress Scale Progress Gauge
Unreached No
Frontier No
GSEC 5  (per PeopleGroups.org)
Pioneer Workers Needed
PeopleID3 16037
ROP3 Code 111064
Country Papua New Guinea
Region Australia and Pacific
Continent Australia
10/40 Window No
Persecution Rank Not ranked
Location in Country East Sepik province: near Chambri, Arafundi and middle Karawari rivers.   Source:  Ethnologue 2016
Country Papua New Guinea
Region Australia and Pacific
Continent Australia
10/40 Window No
Persecution Rank Not ranked
Location in Country East Sepik province: near Chambri, Arafundi and middle Karawari rivers..   Source:  Ethnologue 2016

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Primary Religion: Christianity
Major Religion Estimated Percent
Buddhism
0.00 %
Christianity
100.00 %
Ethnic Religions
0.00 %
Hinduism
0.00 %
Islam
0.00 %
Judaism
0.00 %
Non-Religious
0.00 %
Other / Small
0.00 %
Sikhism
0.00 %
Unknown
0.00 %
Primary Language Yimas (600 speakers)
Ethnologue Language Code yee
Ethnologue Language Familly Ramu-Lower Sepik
Glottolog Language Family Lower Sepik
Written / Published Unknown
Total Languages 1
Primary Language Yimas (600 speakers)
Ethnologue Language Code yee
Ethnologue Language Familly Ramu-Lower Sepik
Glottolog Language Family Lower Sepik
Written / Published Unknown
Total Languages 1

Primary Language:  Yimas

Bible Translation Status:  Translation Started

Resource Type Resource Name Source
None reported  
Profile Source Joshua Project 
Data Sources Data is compiled from various sources. Learn more.